Caulking gun



FIG. 1 is a top and side perspective view of a caulking gun showing thenew design, wherein the four end pieces are shown exploded;

FIG. 2 is a right side elevation view thereof, wherein the four endpieces are shown exploded;

FIG. 3 is a left side elevation view thereof, wherein the four endpieces are shown exploded;

FIG. 4 is a front elevation view thereof, wherein the four end piecesare shown exploded;

FIG. 5 is a rear elevation view thereof, wherein the four end pieces areshown exploded;

FIG. 6 is a right side elevation view thereof, wherein the four endpieces are shown exploded; and,

FIG. 7 is a left side elevation view thereof, wherein the four endpieces are shown exploded.

CLAIM The ornamental design for a caulking gun, as shown and described.